[FEATURE] Add 'make cli' shortcut for TYPO3 cli (#174)

A shortcut for invoking the TYPO3 cli inside the app container.
Allows simple usage of TYPO3 cli commands e.g.:
    $ make cli extbase language:update

Author: tbal

Makefile

@@ -79,6 +79,9 @@ root:
 # TYPO3
 #############################
 
+cli:
+	docker-compose run --rm --user application app cli $(ARGS)
+
 scheduler:
 	docker exec -it $$(docker-compose ps -q app) typo3/cli_dispatch.phpsh scheduler $(ARGS)